Explore the fascinating world of stellar astronomy in this public lecture by Emily Levesque at the Perimeter Institute for Theoretical Physics. Delve into the history of star studies, learn about modern observing techniques, and discover exciting new findings in the field. Journey through the universe to encounter some of the most puzzling and bizarre stellar objects known to astronomers today. From the Hertzsprung-Russell diagram to the largest known stars, supernovae, neutron stars, and black holes, gain insights into the life cycles and extraordinary phenomena of celestial bodies. Examine cutting-edge concepts like time-domain astronomy, gravitational waves, and mysterious radio bursts. Uncover the secrets of red supergiants, supergiant neutron stars, and the potential for future galactic supernovae. This comprehensive exploration of stellar astronomy offers a captivating look at the weirdest stars in the universe and the ongoing quest to understand our cosmic surroundings.